Greek for a statue that is larger than the original, Kolossos is a fitting name for this oversized pulley cage. Designed to deliver maximum drivetrain performance, the Kolossos Oversized Pulley Cage will enable you to go faster with less effort. It does so by introducing lower drivetrain friction,...
Sram Red eTap AXS D1 Rear Derailleur - 12 Speed - Black / 12 Speed / Max 33T
The heart of the connected cadre. The Sram Red eTap AXS™ rear derailleur is AXS enabled for easy personalization and designed for both 1x and 2x systems. Advanced chain management keeps it silent and secure no matter the terrain. The derailleur also comes with faster pulleys, bearings, motors and signals,...
Shimano Dura-Ace R9250 Di2 Rear Derailleur - 12 Speed - Black / 12 Speed
Shimano fastest ever shifting across Shimano's widest ever Dura-Ace gear range, the RD-R9250 is capable of both race wins and personal bests. The Shimano Dura-Ace R9250 Rear Derailleur integrates the system charging port and a wireless connectivity unit all while delivering super fast, precise...